From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Sat, 23 Jul 2022 09:41:18 +0300 Message-ID: <8335esjppt.fsf@gnu.org> References: <837d46mjen.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29914"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 56682@debbugs.gnu.org, gregory@heytings.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jul 23 08:42:17 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oF8q7-0007YP-Tw for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 23 Jul 2022 08:42:16 +0200 Original-Received: from localhost ([::1]:57272 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oF8q6-0005EF-Bu for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 23 Jul 2022 02:42:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55230) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oF8pu-0005E5-Pr for bug-gnu-emacs@gnu.org; Sat, 23 Jul 2022 02:42:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:53265) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oF8pu-0000g7-HE for bug-gnu-emacs@gnu.org; Sat, 23 Jul 2022 02:42:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oF8pu-0005oG-8V for bug-gnu-emacs@gnu.org; Sat, 23 Jul 2022 02:42:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 23 Jul 2022 06:42:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56682 X-GNU-PR-Package: emacs Original-Received: via spool by 56682-submit@debbugs.gnu.org id=B56682.165855848922279 (code B ref 56682); Sat, 23 Jul 2022 06:42:02 +0000 Original-Received: (at 56682) by debbugs.gnu.org; 23 Jul 2022 06:41:29 +0000 Original-Received: from localhost ([127.0.0.1]:43014 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oF8pN-0005nH-47 for submit@debbugs.gnu.org; Sat, 23 Jul 2022 02:41:29 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42236) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oF8pK-0005n4-Sl for 56682@debbugs.gnu.org; Sat, 23 Jul 2022 02:41:27 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34566) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oF8pF-0000eA-CN; Sat, 23 Jul 2022 02:41:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=XDMFvGkJmt2il0e2P1TksuMkXdfS7HSJpdyh3AiU0d0=; b=TU1HAz+xP+qI AX/qkFiCXSi3JiFwpEI4ThY6+639eTxH4v/FJ+N6qPfKheQ/1pc8UU8MKFKTsY6JX+r+lIv7DIPg4 D7ddQyQHzwjs2+MF+3hS4vxMKVUMSajNgMIELqjHYGJR+93p8RNjm8r13vcqRhje1gf9L8Sc22CPm Id+nbAk/Tngpqrn3fnCTCVCIqIvhiw25lFHQDLB06Sq9Myi6My8cOaUCH5dnD9P33RSvhG7auNC4p jJOeTQiwcSV43sR5ZbdqWLOskOGnslQY6jsQZ2994esf3qqIplDPxLvM56OO+H7NIioVVy0HoyQIa +A0dAmGlSK5T+mhHwV+0fA==; Original-Received: from [87.69.77.57] (port=3967 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oF8pE-00054Z-Nl; Sat, 23 Jul 2022 02:41:21 -0400 In-Reply-To: (message from Stefan Monnier on Fri, 22 Jul 2022 19:25:47 -0400) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:237674 Archived-At: > From: Stefan Monnier > Cc: Gregory Heytings , 56682@debbugs.gnu.org > Date: Fri, 22 Jul 2022 19:25:47 -0400 > > For example, the behavior surprises me because I can't see why `M-x` > should cause any font-locking at all in the `long-line.xml` file. Any command that enters the minibuffer causes a thorough redisplay of the windows on that frame (because more than one window has to be updated). What does that have to do with font-lock is a separate question (but you are the best person to answer it).